v3.26.1
FAIR VALUE MEASUREMENTS - Residential Mortgage and Commercial Real Estate Loans Held For Sale (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Aggregate Fair Value $ 1,458 $ 1,198
Level 2 | Residential mortgage loans held for sale    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Aggregate Fair Value 920 895
Aggregate Unpaid Principal 901 872
Aggregate Fair Value Greater (Less) Than Aggregate Unpaid Principal 19 23
Level 2 | Commercial loans held for sale    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Aggregate Fair Value 149 170
Aggregate Unpaid Principal 156 185
Aggregate Fair Value Greater (Less) Than Aggregate Unpaid Principal $ (7) $ (15)